

/**
 * @author 叶加起
 * @description     星星
 * 模块化  多人协作
 * 
 * 
 * 
 */




 function RoundItem(index,x,y,ctx) {
    this.index = index
    this.x = x
    this.y = y
    this.ctx = ctx
    this.r = Math.random() * 2 + 1
    this.color = 'rgba(255,255,255,1)'
}



RoundItem.prototype.draw = function () {
    this.ctx.fillStyle = this.color
    this.ctx.beginPath()
    this.ctx.arc(this.x,this.y,this.r,0,2 * Math.PI,false)
    this.ctx.closePath()
    this.ctx.fill()
}

